SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
Test your basic knowledge |
Dairy Cattle And Reproduction
Start Test
Study First
Subjects
:
industries
,
dairy
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Can survive ~7 days in cow. vast majority <48 hours
Sperm survival specs
Lutinizing Hormone in females
estrous
cow estrus
2. Larger the cow - more milk is produced; smaller the cow - less milk is produced
Size of cow in relation to the amount of milk produced
sperm cell
elastrator
ewe ovulation
3. ~305 days (altough often longer due to breeding difficulties)
Dairy Cattle Lactation (standard)
sow estrus
prostaglandin
#1 cost in production
4. 4-6 days
sertoli cells
cervix
mare estrus
hormones
5. Look for infection - split - and rupture of the penis
sperm cell
testosterone
penis and prepuce observation (BSE)
sow gestation
6. Cleans and lubricates the urethra ahead of the sperm. (if not - the urine in the urethra has a high salt content and would cause sperm to rupture and die)
prostate gland
Follical Stimulating in females
sow gestation
dartos muscle
7. 19-23 (21) days
Testicles will produce testosterone but not sperm. Bull will attempt to mate - but will be sterile
cow estrus cycle
sow estrus
feeding a high producing dairy cow
8. 30 hours after estrus begins
cow ovulation
~1 month
leydid or interstitial cells
seasonally polyestrous
9. Head - neck - mid-piece - tail. genetic material - has an enzyme covering that allows it to penetrate the egg
scrotum
cow ovulation
sperm cell
reason for seasonal breeding periods
10. Boars and stallions-> deliver semen directly into the cervix. bulls and rams-> deliver semen into the vagina.
penis sizes vs delivering methods
reasons for castration
epididymis: definition - 3 parts - 4 functions
ewe ovulation
11. (switzerland) 2nd in size and milk production - most muscle -
what has to happen for males for copulation to occur
Dairy calves are removed from cow at birth to...
cryptorchid
Brown Swiss Cow
12. 1. to eliminate breeding the females at an early age - 2. makes animals less lean and provides a better cut for the market
humans: stress level vs sperm
dairy cattle pregnancy check
reasons for castration
Lutinizing Hormone in males
13. Duct through penis that carries sperm and urine
accessory sex glands
urethra
scrotum
mare ovulation
14. Serves as a bone cradle for the reproductive system. used greatly in palpation as a 'landmark'.
cow gestation
penis proper
pelvis
stag
15. Supply nutrients for the sperm following ejaculation and deposition into the female reproductive tract
semen evaluation (BSE)
cervix
effects of estrogen
eminal vesicles
16. 30-38 hours after estrus cycle begins
sow ovulation
purpose of Breeding Soundness Exam (BSE) for males
accessory sex glands
why does the cow need fat deposits during pregnancy?
17. Castration tool which clamps down on the vans deferens. causes the sperm to not reach the penis to be ejaculated
cow ovulation
normal presentation of the fetus
what has to happen for males for copulation to occur
burdizzo
18. Earlier you castrate a male - the easier it is on the animal. the longer you wait - death rates increase
sow gestation
age and castration
humans: stress level vs sperm
estrus
19. S-shaped inside body - relaxes to be exposed for breeding. Disadvantges: muscles weaken with age - cannot always hold it in - exposed to harsh outside conditions or stepped on.
Warning
: Invalid argument supplied for foreach() in
/var/www/html/basicversity.com/show_quiz.php
on line
183
20. Duct which connects epididymis to urethra of the penis. transports sperm at ejaculation. cut to sterilize male.
van deferens
Follical Stimulating in males
feeding a high producing dairy cow
effects of BST
21. Gonadotropic (GnRH) is (FSH and LH). Follical Stimulating (FSH) and Lutinizing Hormone (LH).
vulva
hormones
sigmoid flexure
mare ovulation
22. 30-38 hours after estrus cycle begins
dry-off time in dairy cattle
Reasons for gestation length being affected
sow ovulation
why does the cow need fat deposits during pregnancy?
23. 1-3 days
seminiferous tubules
sperm cell
~1 month
sow estrus
24. To remove/separate testicles from animal's body before animal reaches puberty
castration
estrus
cow estrus cycle
humans: stress level vs sperm
25. 114 days
sow gestation
Dairy Cattle Gestation
van deferens
Dairy calves are removed from cow at birth to...
26. Prevent the cow from getting an infection from the calve
estrous
Dairy calves are removed from cow at birth to...
Dairy Cattle Lactation (standard)
ewe's estrous cycle
27. 1. visual evaluation - 2. scrotal circumference - 3. penis and prepuce observation - 4. rectal palpation - 5. libido test - 6. semen evaluation
Culls bulls earlier (2 reasons)
sow estrus
things to check for in a breeding soundness exam (BSE)
spermatogenesis
28. Scar tissue plugs up chambers of udder
spermatogenesis
sertoli cells
mastitis
Follical Stimulating in males
29. Failure to have one testis (gonad) to descend
sow estrus
monorchid
penis proper
vulva
30. Why does estrus happen before ovulation?
cowper's gland
Mares
you want as much sperm as possible to come in contact with the egg before ovulation. the main idea is to have the sperm already in the oviduct when the egg passes through
monestrous
31. 147 days
ewe gestation
#1 cost in production
you want as much sperm as possible to come in contact with the egg before ovulation. the main idea is to have the sperm already in the oviduct when the egg passes through
polyestrous
32. 14-19 (17) days
visual evaluation (BSE)
6-8 weeks
Hormones from both the fetus and the mom.
ewe estrus cycle
33. 1. bring in new genes - 2. replace males with leg problems (difficulty breeding) Note: culling has a much greater emphasis in the dairy industry vs the beef industry.
Culls bulls earlier (2 reasons)
cremaster muscle
mare estrus
kidney stones also called ________ ___________ can develop in the sigmoid flexure
34. 1. reproduction - 2. mastitis/udder problems - 3. low milk production - 4. soundness/poor feet and legs (living on concrete)
4 major reasons for culling dairy cows
Avg. bull specs
stag
sertoli cells
35. Hold the penis in the bulls body when not in use. releases penis before ejaculation or urination.
Brown Swiss Cow
retractor muscles
monorchid
penis proper
36. Contains and regulates the temp of the testes for sperm production
Sperm survival specs
Hard
scrotum
dairy cattle pregnancy check
37. Front feet and head first. (except for hogs and dogs)
normal presentation of the fetus
prostate gland
rectal palpation (BSE)
estrus
38. Start of the reproductive tract for the female. located outside of the body
prostate gland
castration
vulva
cervix
39. Days which have decreasing daylight hours
Warning
: Invalid argument supplied for foreach() in
/var/www/html/basicversity.com/show_quiz.php
on line
183
40. Indicator of sperm production. the bigger the scrotal circumference the bigger volume of sperm because more seminal vesicles available to produce the sperm
cow estrus
Follical Stimulating in males
scrotal circumference (BSE)
cryptorchid
41. 1. seminiferous tubules - 2. sertoli cells - 3. leydid or interstitial cells
organs used in spermatogenesis
ewe ovulation
van deferens
butterfat
42. Birthing process (termination of gestation)
seminiferous tubules
Parturition
what has to happen for males for copulation to occur
ewe gestation
43. Knife-loose ~1wk of growth. band-loose ~2wks of growth.
libido test (BSE)
estrus
Mares
growth lost from castration methods (knife & band)
44. Urinary calculi.
rectal palpation (BSE)
epididymis: definition - 3 parts - 4 functions
kidney stones also called ________ ___________ can develop in the sigmoid flexure
Testicles will produce testosterone but not sperm. Bull will attempt to mate - but will be sterile
45. Animals which have only one estrous cycle (ex: dog - fox)
dartos muscle
4 major reasons for culling dairy cows
normal presentation of the fetus
monestrous
46. (male) definition: duct located outside of the testes. 3 parts: head - body - tail. 4 Functions:concentrate sperm - store sperm - transport sperm - site of sperm maturation. entire process takes ~40-60 days
effects of BST
epididymis: definition - 3 parts - 4 functions
van deferens
Follical Stimulating in males
47. Located directly in front of the cervix. fertilized egg implants here. connected to two uterine horns. implantation occurs on the same side as ovulation occurred.
Dairy Cattle milking schedule
seminiferous tubules
cremaster muscle
uterus
48. Implies the amount of estrogen production
femininity of a heifer
scrotal circumference (BSE)
dartos muscle
cow gestation
49. (switzerland) 2nd in size and milk production - most muscle -
~1 month
Where livelihood is in agriculture
Brown Swiss Cow
Sperm growth rate
50. Examine accessory glands - also to know how big the pelvic opening is->heritable->relates to how much dystocia that bull's daughter has
Brown Swiss Cow
prostate gland
mare estrus
rectal palpation (BSE)